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Regioselective metalation of 2-phenyloxazolo[4,5-b]pyridines and -[5,4-b]pyridines: Functionalization at the 7-position
Flouzat,Savelon,Guillaumet
, p. 842 - 844 (1992)
2-Phenyloxazolo[4,5-b]pyridines 1 and -[5,4-b]pyridines 4 were functionalized at the 7-position with various electrophiles in good yield. The secondary alcohols 3a,b and 6a,b were oxidized to the corresponding ketones 7a,b and 8a,b with manganese dioxide
